MCP6V71/1U/2/4 170 A, 2 MHz Zero-Drift Op Amps Features Description High DC Precision: The Microchip Technology MCP6V71/1U/2/4 family of operational amplifiers provides input offset voltage - V Drift: 15 nV/C (maximum, V = 5.5V) OS DD correction for very low offset and offset drift. These are - V : 8 V (maximum) OS low-power devices with a gain bandwidth product of - A : 126 dB (minimum, V = 5.5V) OL DD 2 MHz (typical). They are unity gain stable, have virtu- - PSRR: 115 dB (minimum, V = 5.5V) DD ally no 1/f noise and have good Power Supply Rejec- - CMRR: 117 dB (minimum, V = 5.5V) tion Ratio (PSRR) and Common-Mode Rejection Ratio DD - E : 0.45 V (typical), f = 0.1 Hz to 10 Hz (CMRR). These products operate with a single supply ni P-P voltage as low as 2V, while drawing 170 A/amplifier - E : 0.15 V (typical), f = 0.01 Hz to 1 Hz ni P-P (typical) of quiescent current. Enhanced EMI Protection: The MCP6V71/1U/2/4 family has enhanced EMI pro- - Electromagnetic Interference Rejection Ratio tection to minimize any electromagnetic interference (EMIRR) at 1.8 GHz: 96 dB from external sources. This feature makes it well suited Low Power and Supply Voltages: for EMI sensitive applications such as power lines, - I : 170 A/amplifier (typical) Q radio stations and mobile communications, etc. - Wide Supply Voltage Range: 2V to 5.5V The Microchip Technology Inc. MCP6V71/1U/2/4 op Small Packages: amps are offered in single (MCP6V71 and - Singles in SC70, SOT-23 MCP6V71U), dual (MCP6V72) and quad (MCP6V74) - Duals in MSOP-8, 2x3 TDFN packages. They were designed using an advanced - Quads in TSSOP-14 CMOS process. Easy to Use: Package Types - Rail-to-Rail Input/Output - Gain Bandwidth Product: 2 MHz (typical) MCP6V71 MCP6V72 - Unity Gain Stable SOT-23 MSOP Extended Temperature Range: -40C to +125C V V V 1 5 V 1 8 DD OUT DD OUTA V Typical Applications V V 2 7 2 OUTB SS INA V + V V + V 3 6 Portable Instrumentation 3 4 INB IN IN INA V + V Sensor Conditioning 4 5 SS INB Temperature Measurement MCP6V71U MCP6V72 DC Offset Correction SC70, SOT-23 23 TDFN * Medical Instrumentation V V 1 8 V + 1 5 V OUTA DD IN DD Design Aids V 2 7 V EP V 2 INA OUTB SS 9 FilterLab Software V + 3 6 V V 3 4 V INA INB IN OUT Microchip Advanced Part Selector (MAPS) V 4 5 V + SS INB Analog Demonstration and Evaluation Boards MCP6V74 Application Notes TSSOP Related Parts V V 1 14 OUTD OUTA MCP6V11/1U/2/4: Zero-Drift, Low Power V V 2 13 IND INA MCP6V31/1U/2/4 V + 3 12 V + INA IND MCP6V61/1U: Zero-Drift 1 MHz V V 4 11 SS DD MCP6V81/1U: Zero-Drift, 5 MHz 5 10 V + V + INC INB MCP6V91/1U: Zero-Drift, 10 MHz V 6 9 V INB INC V V 7 8 OUTC OUTB * Includes Exposed Thermal Pad (EP) see Table 3-1. 2015-2020 Microchip Technology Inc. DS20005385C-page 1MCP6V71/1U/2/4 Figure 1 and Figure 2 show input offset voltage versus Typical Application Circuit ambient temperature for different power supply volt- R R ages. 1 3 V V IN OUT 8 R 2 R C 28 Samples 2 4 6 V = 2V DD U 1 4 R MCP6XXX 5 R 2 2 V /2 U DD 2 V /2 0 DD MCP6V71 -2 Offset Voltage Correction for Power Driver -4 -6 -8 -50 -25 0 255075 100 125 Ambient Temperature (C) FIGURE 1: Input Offset Voltage vs. Temperature with V = 2V. DD 8 28 Samples 28 Samples 6 V = 5.5V DD V = 2V DD 4 2 0 -2 -4 -6 -8 -50 -25 0 255075 100 125 Ambient Temperature (C) FIGURE 2: Input Offset Voltage vs. Temperature with V = 5.5V. DD As seen in Figure 1 and Figure 2, the MCP6V71/1U/2/4 op amps have excellent performance across tempera- ture. The input offset voltage temperature drift (TC ) 1 shown is well within the specified maximum values of 15 nV/C at V = 5.5V and 30 nV/C at V = 2V. DD DD This performance supports applications with stringent DC precision requirements. In many cases, it will not be necessary to correct for temperature effects (i.e., calibrate) in a design. In the other cases, the correction will be small. DS20005385C-page 2 2015-2020 Microchip Technology Inc. Input Offset Voltage (V) Input Offset Voltage (V)